CVE-2021-32634
Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Emissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the [`WorkSpaceClientEnqueue.action`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/WorkSpaceClientEnqueueAction.java) REST endpoint. This issue may lead to post-auth Remote Code Execution. This issue has been patched in version 6.5.0. As a workaround, one can disable network access to Emissary from untrusted sources.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.28% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- nsa/emissary
- Source
- security-advisories@github.com
References
- https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc92361702cc14fa1e4388e19d7Patch, Third Party Advisory
- https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-m5qf-gfmp-7638Third Party Advisory
- https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc92361702cc14fa1e4388e19d7Patch, Third Party Advisory
- https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-m5qf-gfmp-7638Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.